<template>
  <div class="swiper-container">
    <div class="swiper-wrapper">
      <div class="swiper-slide" v-for="(img,index) in skuImageList" :key="img.id">
        <img :src="img.imgUrl" :class="{active:crruentimg==index}" @click="changeimg(index)" >
      </div>
    </div>
    <div class="swiper-button-next"></div>
    <div class="swiper-button-prev"></div>
  </div>
</template>

<script>
import Bus from '@/bus.js'
import{onMounted,ref,nextTick,watchEffect} from 'vue'
 import Swiper from 'swiper'
  export default {
    name: "ImageList",
      props:['skuImageList'],
    setup(props) {
      let crruentimg=ref(0)
      onMounted(()=>{
          // 解决模版还没解析完Swiper已经实例化的错误   设置延时器等
          setTimeout(()=>{
              new Swiper ('.swiper-container', {
                loop: true, // 循环模式选项
                // 如果需要分页器
                pagination: {
                el: '.swiper-pagination',
                clickable:true//点击圆球换图
                },
                
                // 如果需要前进后退按钮
                navigation: {
                nextEl: '.swiper-button-next',
                prevEl: '.swiper-button-prev',
                },
                slidesPerView:3,//轮播界面同时展示三张图           
           })        
          },1000)
              })
           
    // 点击图片改变高亮
    function changeimg(index){
      console.log(index);
        crruentimg.value=index
        Bus.emit('showimg',index)//全局事件总线通信,通知Zoom组件当前点击图片的索引值
      }
      return{
       crruentimg,changeimg,
      }
    }
  }
</script>

<style lang="less" scoped>
  .swiper-container {
    height: 56px;
    width: 412px;
    box-sizing: border-box;
    padding: 0 12px;

    .swiper-slide {
      width: 56px;
      height: 56px;

      img {
        width: 100%;
        height: 100%;
        border: 1px solid #ccc;
        padding: 2px;
        width: 50px;
        height: 50px;
        display: block;

        &.active {
          border: 2px solid #f60;
          padding: 1px;
        }

        &:hover {
          border: 2px solid #f60;
          padding: 1px;
        }
      }
    }

    .swiper-button-next {
      left: auto;
      right: 0;
    }

    .swiper-button-prev {
      left: 0;
      right: auto;
    }

    .swiper-button-next,
    .swiper-button-prev {
      box-sizing: border-box;
      width: 12px;
      height: 56px;
      background: rgb(235, 235, 235);
      border: 1px solid rgb(204, 204, 204);
      top: 0;
      margin-top: 0;
      &::after {
        font-size: 12px;
      }
    }
  }
</style>